Home / 13,862,419.40-20,779,632.30-6,294,816.20

Finding the Fourth Proportional to 13,862,419.40, 20,779,632.30 and 6,294,816.20

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Solution

The fourth proportional to 13,862,419.40, 20,779,632.30 and 6,294,816.20 is: 9,435,868.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,862,419.40 : 20,779,632.30 = 6,294,816.20 : x
  2. Step 2: Convert to fraction form
    13,862,419.40/20,779,632.30 = 6,294,816.20/x
  3. Step 3: Cross multiply
    13,862,419.40x = 20,779,632.30 × 6,294,816.20
  4. Step 4: Simplify right side
    13,862,419.40x = 130,803,966,032,083.27
  5. Step 5: Solve for x
    x = 130,803,966,032,083.27/13,862,419.40
  6. Step 6: Final answer
    x = 9,435,868.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.